Home / 229,020.03-343,179.70-122,419.15

Finding the Fourth Proportional to 229,020.03, 343,179.70 and 122,419.15

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Solution

The fourth proportional to 229,020.03, 343,179.70 and 122,419.15 is: 183,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,020.03 : 343,179.70 = 122,419.15 : x
  2. Step 2: Convert to fraction form
    229,020.03/343,179.70 = 122,419.15/x
  3. Step 3: Cross multiply
    229,020.03x = 343,179.70 × 122,419.15
  4. Step 4: Simplify right side
    229,020.03x = 42,011,767,171.26
  5. Step 5: Solve for x
    x = 42,011,767,171.26/229,020.03
  6. Step 6: Final answer
    x = 183,441.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.